Composite material structure positioning tooling device

Abstract

The application provides a composite material structure positioning tool device, and relates to the technical field of composite material structure assembly. The composite material structure positioning tool device comprises a first supporting ring, a second supporting ring, at least four positioning vertical beams and a girder positioning adapter device. The first supporting ring and the second supporting ring are detachably connected through the at least four positioning vertical beams, and a first accommodating space for accommodating a composite material structure is formed. The girder positioning adapter device is arranged in the first accommodating space and is fixedly connected with the inner ring side wall of the first supporting ring. When the composite material structure is installed, the composite material structure is arranged in the first accommodating space, the top of the composite material structure is fixed at a first preset position through the second supporting ring, and the girder is arranged on the girder positioning adapter device and is assembled with the inside of the composite material structure at a second preset position through the girder positioning adapter device. The scheme of the application realizes quick installation of the composite material structure and the girder, and improves the assembly precision of the composite material structure and the girder.

Description

Technical Field

[0001] This invention relates to the field of composite material structure assembly technology, and in particular to a composite material structure positioning tooling device. Background Technology

[0002] In the assembly process of aerospace composite material structures, due to the spatial dimensions and geometric tolerance requirements between the composite material structure and the main beam, existing machine tools and tools cannot meet the design requirements, and the manufacturing time is long and the cost is high. For the geometric tolerance requirements of the inclined threaded sleeve holes and pin holes on the front and rear end faces of the composite material structure, existing coordinate measuring machines require secondary clamping to find the datum, resulting in large errors that fail to meet the requirements and are also costly. Furthermore, in the current assembly process of such composite material structures, the front and rear end connecting holes are machined to create fastener mounting holes, and then manually inserted and connected to the main beam, with laser trackers used for adjustment to ensure the relative position of the cabin and the main beam reaches the acceptable state. The current assembly process relies heavily on manual operation, which is time-consuming, labor-intensive, and carries a high probability of risk. Moreover, the reliance on laser trackers is significant, and the assembly process is lengthy. Summary of the Invention

[0003] This invention provides a positioning fixture for composite material structures, which solves the problems of large positional deviation between the pin holes on the front and rear ends of the cabin and the pin holes on the main beam during the assembly process of existing composite material structures, as well as the time-consuming, labor-intensive, and low-safety aspects of the assembly process.

[0004] To solve the above-mentioned technical problems, the technical solution of the present invention is as follows:

[0005] This invention provides a positioning fixture for composite material structures, comprising:

[0006] The system includes a first support ring, a second support ring, at least four positioning vertical beams, and a main beam positioning and transfer device.

[0007] The first support ring and the second support ring are detachably connected by at least four positioning vertical beams, forming a first accommodating space for accommodating the composite material structure.

[0008] The beam positioning and transfer device is set in the first accommodating space and is fixedly connected to the inner ring sidewall of the first support ring.

[0009] During installation, the composite material structure is placed within the first accommodating space, and the top of the composite material structure is fixed at a first preset position by the second support ring. The main beam is placed on the main beam positioning and transfer device, and is assembled with the interior of the composite material structure at a second preset position by the main beam positioning and transfer device.

[0010] Optionally, at least four first connecting ears integrally formed with the first support ring are provided around the first support ring;

[0011] The second support ring is provided with at least four second connecting lugs integrally formed with the second support ring around its perimeter;

[0012] One end of the positioning vertical beam is fixedly connected to the first support ring via the first connecting ear, and the other end of the positioning vertical beam is detachably connected to the second support ring via the second connecting ear.

[0013] Optionally, the bottom of each first connecting lug is connected to a foot cup via a connecting shaft.

[0014] Optionally, a preset number of first limiting pins are provided on the end face of the second support ring, and the second support ring fixes the composite material structure at a first preset position through the preset number of first limiting pins.

[0015] Optionally, the end face of the second support ring is provided with a scale and quadrants. During installation, the composite material structure is adjusted to a first preset position using the scale and quadrants.

[0016] Optionally, the beam positioning and transfer device is provided with a preset number of second limiting pins, and the beam positioning and transfer device fixes the beam in the second preset position through the second limiting pins.

[0017] Optionally, the first support ring is provided with a preset number of third limiting pins, which are used to limit and fix the bottom of the composite material structure during installation.

[0018] Optionally, a preset number of first limiting holes are provided on the end face of the second support ring. The composite material structure drills a preset mounting hole on the top of the composite material structure according to the position of the first limiting hole, and multiple composite material structures are connected and installed through the preset mounting hole.

[0019] Optionally, an inspection hole for detecting the preset mounting hole is provided on the end face of the second support ring.

[0020] Optionally, the composite material structure positioning tooling device further includes: a disassembly wrench disposed on the second support ring.

[0021] The above-described solution of the present invention has at least the following beneficial effects:

[0022] The composite material structure positioning fixture of the present invention includes: a first support ring, a second support ring, at least four positioning vertical beams, and a main beam positioning adapter. The first support ring and the second support ring are detachably connected by at least four positioning vertical beams, forming a first accommodating space for the composite material structure. The main beam positioning adapter is disposed within the first accommodating space and fixedly connected to the inner ring sidewall of the first support ring. During installation, the composite material structure is placed within the first accommodating space, and the top of the composite material structure is fixed at a first preset position by the second support ring. The main beam is placed on the main beam positioning adapter and assembled with the interior of the composite material structure at a second preset position via the main beam positioning adapter. This achieves rapid installation of the composite material structure and the main beam, while also improving the assembly accuracy of the composite material structure and the main beam, and has the advantages of high safety and low cost. Attached Figure Description

[0023] Figure 1 This is a perspective view of the composite material structure positioning tooling device of the present invention;

[0024] Figure 2 This is an assembly drawing of the composite material structure positioning tooling device of the present invention;

[0025] Figure 3 This is a top view of the assembly drawing of the composite material structure positioning tooling device of the present invention.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. First support ring; 11. First connecting ear; 12. Third limiting pin; 13. Lifting ring; 2. Second support ring; 21. Second connecting ear; 22. First limiting pin; 23. First limiting hole; 3. Positioning vertical beam; 4. Main beam positioning adapter; 41. Second limiting pin; 5. Composite material structure; 6. Main beam; 71. Connecting shaft; 72. Foot cup; 8. Disassembly wrench. Detailed Implementation

[0028] Exemplary embodiments of the invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to enable a more thorough understanding of the invention and to fully convey the scope of the invention to those skilled in the art.

[0029] like Figures 1 to 3 As shown, an embodiment of the present invention provides a positioning fixture for a composite material structure, comprising:

[0030] The first support ring 1, the second support ring 2, at least four positioning vertical beams 3, and the main beam positioning and transfer device 4;

[0031] The first support ring 1 and the second support ring 2 are detachably connected by at least four positioning vertical beams 3, forming a first accommodating space for accommodating the composite material structure 5.

[0032] The beam positioning and transfer device 4 is set in the first accommodating space and is fixedly connected to the inner ring side wall of the first support ring 1.

[0033] During installation, the composite material structure 5 is placed in the first accommodating space, and the top of the composite material structure 5 is fixed in a first preset position by the second support ring 2. The main beam 6 is placed on the main beam positioning adapter 4, and is assembled with the interior of the composite material structure 5 in a second preset position by the main beam positioning adapter 4.

[0034] In this embodiment, the size of the first accommodating space is the same as the size of the composite material structure 5. After the composite material structure 5 is placed into the first accommodating space, the bottom of the composite material structure 5 contacts the end face of the first support ring 1, and the top of the composite material structure 5 contacts the end face of the second support ring 2. During installation, after the composite material structure 5 placed in the first accommodating space is adjusted to the first preset position, the second support ring 2 fixes the top of the composite material structure 5, fixing the composite material structure 5 in the first preset position. Then, the main beam 6 is placed on the main beam positioning adapter 4, and the main beam 6 is fixed in the second preset position through the main beam positioning adapter 4. Then, according to the current position of the main beam 6 and the composite material structure 5, holes are drilled and assembled between the main beam 6 and the composite material structure 5. This embodiment realizes the quick installation of the composite material structure 5 and the main beam 6 through the composite material structure positioning fixture device, and also improves the assembly accuracy of the composite material structure 5 and the main beam 6. It also has the advantages of simple structure, low cost and high safety.

[0035] In an optional embodiment of the present invention, at least four first connecting ears 11 integrally formed with the first support ring 1 are provided around the first support ring 1;

[0036] The second support ring 2 is provided with at least four second connecting ears 21 integrally formed with the second support ring 2 around its perimeter;

[0037] One end of the positioning vertical beam 3 is fixedly connected to the first support ring 1 via the first connecting ear 11, and the other end of the positioning vertical beam 3 is detachably connected to the second support ring 2 via the second connecting ear 21.

[0038] In this embodiment, one end of the positioning vertical beam 3 is fixedly connected to the first connecting lug 11 via a flange, and the other end of the positioning vertical beam 3 is detachably connected to the second connecting lug 21 via a pin.

[0039] In an optional embodiment of the present invention, the bottom of each first connecting lug 11 is connected to a foot cup 72 via a connecting shaft 71. The foot cup 72 is used for support when the composite material structure positioning fixture is used to ensure the stability of the installation process.

[0040] In an optional embodiment of the present invention, a preset number of first limiting pins 22 are provided on the end face of the second support ring 2, and the second support ring 2 fixes the composite material structure 5 at a first preset position by means of the preset number of first limiting pins 22.

[0041] In this embodiment, the first limiting pin 22 is used to fix the composite material structure 5 during assembly. During assembly, after the composite material structure 5 is adjusted to the first preset position, the top of the composite material structure 5 is fixed by the first limiting pin 22, thereby ensuring that the composite material structure 5 is always in the first preset position during assembly.

[0042] In an optional embodiment of the present invention, the end face of the second support ring 2 is provided with a scale and quadrants. During installation, the composite material structure 5 is adjusted to a first preset position by means of the scale and quadrants.

[0043] In this embodiment, the second support ring 2 is made of transparent material, and the scale and quadrants are set on the end face of the second support ring 2, which can realize the precise adjustment of the position of the composite material structure 5 during the installation process, thereby further ensuring the installation accuracy.

[0044] In an optional embodiment of the present invention, the main beam positioning and transition device 4 is provided with a preset number of second limiting pins 41, and the main beam positioning and transition device 4 fixes the main beam 6 at the second preset position through the second limiting pins 41.

[0045] In an optional embodiment of the present invention, a preset number of third limiting pins 12 are provided on the first support ring 1, and the third limiting pins 12 are used to limit and fix the bottom of the composite material structure 5 during installation.

[0046] In an optional embodiment of the present invention, the composite material structure positioning fixture further includes: a disassembly wrench 8 disposed on the second support ring 2, the disassembly wrench 8 being used for quick assembly and disassembly of the second support ring 2 and the composite material structure 5.

[0047] In an optional embodiment of the present invention, a preset number of first limiting holes 23 are provided on the end face of the second support ring 2, and a preset mounting hole is drilled on the top of the composite material structure 5 according to the position of the first limiting hole 23, and multiple composite material structures 5 are connected and installed through the preset mounting hole.

[0048] In this embodiment, the first limiting hole 23 is mainly used to accurately position the preset mounting holes when multiple composite material structures 5 are connected and installed. In use, each composite material structure 5 that needs to be connected can drill the preset mounting holes through the first limiting hole 23, thereby effectively realizing the accurate connection and installation between multiple composite material structures and reducing the error of connection and installation between multiple composite material structures.

[0049] In an optional embodiment of the present invention, an inspection hole 24 for detecting the preset mounting hole is provided on the end face of the second support ring 2.

[0050] In an optional embodiment of the present invention, at least two sets of lifting rings 13 are symmetrically arranged on both sides of the first support ring 1. The lifting rings 13 are used to lift and rotate the composite material structure positioning fixture during the installation process.

[0051] The specific working principle of the composite material structure positioning fixture device of the present invention is as follows:

[0052] In use, first, place the composite material structure positioning fixture in a fixed position, then remove the pins to separate the second support ring 2 from the positioning vertical beam 3. Next, place the composite material structure 5 into the first receiving space, and then fix the second support ring 2 to the positioning vertical beam 3 using the pins, so that the second support ring 2 covers the top of the composite material structure 5. Then, adjust the position of the composite material structure 5 by using the scale and quadrants on the end face of the second support ring 2 to adjust it to a first preset position, and fix the top of the composite material structure 5 using the first limiting pin 22, and then use the third limiting pin 1... 2. Fix the bottom of the composite material structure 5 to a first preset position. Then, place the main beam 6 on the main beam positioning adapter 4 and adjust it to a second preset position. Then, fix the main beam 6 with the second limiting pin 41. Then, drill holes and assemble the composite material structure 5 fixed to the first preset position and the main beam 6 fixed to the second preset position. After the composite material structure 5 and the main beam 6 are assembled, two preset installation holes for connecting the composite material structures 5 can be drilled through the first limiting hole 23. Then, the two composite material structures 5 are connected and installed through the preset installation holes.

[0053] The composite material structure positioning fixture device of the present invention solves the problems of large positional deviation between the pin holes on the front and rear ends of the cabin and the pin holes on the main beam during the assembly process of the existing composite material structure 5 and the main beam 6, the time-consuming and labor-intensive assembly process, the need for manual insertion and connection of the main beam 6, and the use of a laser tracker for auxiliary adjustment. It realizes the quick installation of the composite material structure 5 and the main beam 6, and at the same time improves the installation accuracy of the composite material structure 5 and the main beam 6, so that the positional deviation between the main beam 6 and the cabin of the composite material structure 5 is less than or equal to 0.05mm. It also has the advantages of high safety and low cost.

[0054] The above description represents the preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A positioning fixture for composite material structures, characterized in that, include: The first support ring (1), the second support ring (2), at least four positioning vertical beams (3), and the main beam positioning adapter (4); The first support ring (1) and the second support ring (2) are detachably connected by at least four positioning vertical beams (3) to form a first accommodating space for accommodating the composite material structure (5); The beam positioning and transfer device (4) is set in the first accommodating space and is fixedly connected to the inner ring sidewall of the first support ring (1). During installation, the composite material structure (5) is set in the first accommodating space, and the top of the composite material structure (5) is fixed in a first preset position by the second support ring (2). The main beam (6) is set on the main beam positioning adapter (4), and is assembled with the interior of the composite material structure (5) in a second preset position by the main beam positioning adapter (4). Among them, at least four first connecting ears (11) are integrally formed with the first support ring (1) around its perimeter. The second support ring (2) is provided with at least four second connecting ears (21) integrally formed with the second support ring (2) around its perimeter. One end of the positioning vertical beam (3) is fixedly connected to the first support ring (1) through the first connecting ear (11), and the other end of the positioning vertical beam (3) is detachably connected to the second support ring (2) through the second connecting ear (21); The bottom of each first connecting lug (11) is connected to a foot cup (72) via a connecting shaft (71); The second support ring (2) has a preset number of first limiting pins (22) on its end face. The second support ring (2) fixes the composite material structure (5) to a first preset position through the preset number of first limiting pins (22). The end face of the second support ring (2) is provided with a scale and quadrants. During installation, the composite material structure (5) is adjusted to a first preset position by means of the scale and quadrants. The size of the first accommodating space is the same as the size of the composite material structure (5). After the composite material structure (5) is placed into the first accommodating space, the bottom of the composite material structure (5) is in contact with the end face of the first support ring (1), and the top of the composite material structure (5) is in contact with the end face of the second support ring (2). One end of the positioning vertical beam (3) is fixedly connected to the first connecting lug (11) via a flange, and the other end of the positioning vertical beam (3) is detachably connected to the second connecting lug (21) via a pin; The second support ring (2) is made of transparent material; The positional deviation between the main beam (6) and the composite material structure (5) is less than or equal to 0.05 mm.

2. The composite material structure positioning fixture device according to claim 1, characterized in that, The beam positioning and transfer device (4) is provided with a preset number of second limiting pins (41), and the beam positioning and transfer device (4) fixes the beam (6) at the second preset position through the second limiting pins (41).

3. The composite material structure positioning fixture device according to claim 1, characterized in that, The first support ring (1) is provided with a preset number of third limiting pins (12), which are used to limit and fix the bottom of the composite material structure (5) during installation.

4. The composite material structure positioning fixture device according to claim 1, characterized in that, The second support ring (2) has a preset number of first limiting holes (23) on its end face. The composite material structure (5) drills a preset installation hole on the top of the composite material structure (5) according to the position of the first limiting hole (23). Multiple composite material structures (5) are connected and installed through the preset installation hole.

5. The composite material structure positioning fixture device according to claim 4, characterized in that, The end face of the second support ring (2) is provided with an inspection hole (24) for detecting the preset mounting hole.

6. The composite material structure positioning fixture device according to claim 1, characterized in that, Also includes: A disassembly wrench (8) is provided on the second support ring (2).

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